/Engine/Source/Runtime/Datasmith/CADKernel/Public/CADKernel/Math/Geometry.h
the distance between the point and the line i.e. the distance between the point and its projection on the line
namespace UE { namespace CADKernel { template<class PointType> double UE::CADKernel::DistanceOfPointToLine ( const PointType & Point, const PointType & LinePoint1, const PointType & LineDirection ) } }